/Engine/Plugins/Runtime/RigVM/Source/RigVMDeveloper/Public/RigVMCompiler/RigVMAST.h
Begin iterator accessor for the children
[TArray](API\Runtime\Core\Containers\TArray)< [FRigVMExprAST](API\Plugins\RigVMDeveloper\RigVMCompiler\FRigVMExprAST) * >::RangedForConstIteratorType begin() const